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Files on Bitcoin
Every B:// file in the blocks Bitblocks stores, newest first. Each one is read from its transaction as this page loads.
B:// is the file protocol unwriter published in 2019: a file's bytes, media type and name in one transaction output.
A file's C:// address is the sha256 of its bytes, so every copy of the same file shares it.
Files open at
/b/<txid>
as untrusted content, with scripts switched off.
| File | Type | Size | Block | C:// address | Transaction |
|---|---|---|---|---|---|
| file.txt | text/plain | 5,157 B | 957,648 | c://83850d0b…ff8789ca | 6fa588a7…6e0fb541 |
| untitled | application/json | 203 B | 957,648 | c://15931ef8…252c8a9d | c26e210c…c2c2c374 |
| untitled | text/markdown | 106 B | 957,648 | c://3d42f2d4…90e4abfc | 64e3bf70…aaa7f211 |
| untitled | text/markdown | 43 B | 957,648 | c://1d8deaab…5b76f89c | d039fb12…e7894fa7 |
| untitled | text/markdown | 3 B | 957,648 | c://9279c116…da95f6cf | fb84cc42…96e7df6c |
| untitled | text/markdown | 32 B | 957,648 | c://f748c815…6f097da4 | 25e84e2a…d6fae6db |
| untitled | text/markdown | 3 B | 957,648 | c://9279c116…da95f6cf | 052c2616…8659bfda |
| untitled | text/markdown | 54 B | 957,648 | c://99447a55…da635d9c | 9fdbae6f…58766c58 |
| untitled | text/markdown | 12 B | 957,648 | c://6b05e6bf…6f068be4 | b9ef8abd…6dff4066 |
| untitled | text/markdown | 32 B | 957,648 | c://efed71d9…96498204 | e413a2be…ca09a43d |
| untitled | text/markdown | 865 B | 957,648 | c://81c7a0cf…1bc7b4b2 | e3339416…cd93000d |
| untitled | text/markdown | 32 B | 957,648 | c://af3161d5…f2bf9141 | 8a31e449…c2103baf |
| untitled | text/markdown | 17 B | 957,648 | c://b3e29ff0…2de45c58 | 0ed35311…ce0354a2 |
| untitled | text/markdown | 65 B | 957,648 | c://dc72d94f…6b21e68a | df43cfdf…ea6f0387 |
| untitled | text/markdown | 865 B | 957,648 | c://81c7a0cf…1bc7b4b2 | 32931783…08f32a4d |
| file.txt | text/plain | 5,157 B | 957,648 | c://83850d0b…ff8789ca | def440e1…a66ede7d |
| untitled | text/markdown | 32 B | 957,648 | c://af3161d5…f2bf9141 | cf2cac21…2d53a45f |
| untitled | text/markdown | 129 B | 957,648 | c://fa1a6f85…d817bed1 | 129ee543…5c86a116 |
| untitled | text/markdown | 216 B | 957,648 | c://14794e51…1f9010ef | ae61c84b…1ccb782e |
| untitled | text/markdown | 230 B | 957,648 | c://6aeb311c…13bfa788 | 0cf4361c…628848ab |
| untitled | text/markdown | 36 B | 957,648 | c://83b101f0…4d9b5004 | cb0233c8…d6d587af |
| untitled | text/markdown | 190 B | 957,648 | c://49053d47…4ff3ba39 | c9f35d03…55b1b5b7 |
| untitled | text/markdown | 3 B | 957,648 | c://cb3f91d5…c9ed8d3b | 09d49fc6…030d55c4 |
| untitled | text/markdown | 169 B | 957,648 | c://6d5e598a…3cdef33a | 3786da98…ad13bc91 |
| untitled | text/markdown | 217 B | 957,648 | c://9bbfdd4f…40549a33 | 988ce8b6…90a2f52a |
The list grows as the sync stores more blocks. B:// and C:// are unwriter's conventions; this is an independent reading of them from the chain. For a namespace's own files and routes, see the Bitcom registry .